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CAS Num: 000093-89-0

SMILES : O=C(OCC)c(cccc1)c1

CHEM : Benzoic acid, ethyl ester

MOL FOR: C9 H10 O2

MOL WT : 150.18

------------------------------ EPI SUMMARY (v4.00) --------------------------

Physical Property Inputs:

Water Solubility (mg/L): ------

Vapor Pressure (mm Hg) : ------

Henry LC (atm-m3/mole) : ------

Log Kow (octanol-water): ------

Boiling Point (deg C) : ------

Melting Point (deg C) : ------

Log Octanol-Water Partition Coef (SRC):

Log Kow (KOWWIN v1.67 estimate) = 2.32

Log Kow (Exper. database match) = 2.64

Exper. Ref: HANSCH,C ET AL. (1995)

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):

Boiling Pt (deg C): 215.57 (Adapted Stein & Brown method)

Melting Pt (deg C): -0.50 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.197 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 26.3 (Mean VP of Antoine & Grain methods)

MP (exp database): -34 deg C

BP (exp database): 212 deg C

VP (exp database): 2.67E-01 mm Hg (3.56E+001 Pa) at 25 deg C

Water Solubility Estimate from Log Kow (WSKOW v1.41):

Water Solubility at 25 deg C (mg/L): 421.5

log Kow used: 2.64 (expkow database)

no-melting pt equation used

Water Sol (Exper. database match) = 720 mg/L (25 deg C)

Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1119 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Esters

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 4.61E-005 atm-m3/mole (4.67E+000 Pa-m3/mole)

Group Method: 2.45E-005 atm-m3/mole (2.48E+000 Pa-m3/mole)

Exper Database: 7.33E-05 atm-m3/mole (7.43E+000 Pa-m3/mole)

For Henry LC Comparison Purposes:

User-Entered Henry LC: not entered

Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:

HLC: 9.236E-005 atm-m3/mole (9.358E+000 Pa-m3/mole)

VP: 0.197 mm Hg (source: MPBPVP)

WS: 422 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: 2.64 (exp database)

Log Kaw used: -2.523 (exp database)

Log Koa (KOAWIN v1.10 estimate): 5.163

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9783

Biowin2 (Non-Linear Model) : 0.9988

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.0295 (weeks )

Biowin4 (Primary Survey Model) : 3.8649 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.7000

Biowin6 (MITI Non-Linear Model): 0.8437

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.6954

Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):

Structure incompatible with current estimation method!

Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:

Vapor pressure (liquid/subcooled): 35.6 Pa (0.267 mm Hg)

Log Koa (Koawin est ): 5.163

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 8.43E-008

Octanol/air (Koa) model: 3.57E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 3.04E-006

Mackay model : 6.74E-006

Octanol/air (Koa) model: 2.86E-006

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 2.2920 E-12 cm3/molecule-sec

Half-Life = 4.667 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 56.000 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

4.89E-006 (Junge-Pankow, Mackay avg)

2.86E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 122.4 L/kg (MCI method)

Log Koc: 2.088 (MCI method)

Koc : 208.8 L/kg (Kow method)

Log Koc: 2.320 (Kow method)

Experimental Log Koc: 2.3 (database)

Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:

Total Kb for pH > 8 at 25 deg C : 3.776E-002 L/mol-sec

Kb Half-Life at pH 8: 212.462 days

Kb Half-Life at pH 7: 5.817 years

(Total Kb applies only to esters, carbmates, alkyl halides)

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 1.409 (BCF = 25.64 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.3011 days (HL = 0.05 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.133 (BCF = 13.57)

Log BAF Arnot-Gobas method (upper trophic) = 1.133 (BAF = 13.57)

log Kow used: 2.64 (expkow database)

Volatilization from Water:

Henry LC: 7.33E-005 atm-m3/mole (Henry experimental database)

Half-Life from Model River: 11.04 hours

Half-Life from Model Lake : 223.2 hours (9.299 days)

Removal In Wastewater Treatment:

Total removal: 7.11 percent

Total biodegradation: 0.10 percent

Total sludge adsorption: 3.37 percent

Total to Air: 3.64 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 6.05 112 1000

Water 24.7 360 1000

Soil 69.1 720 1000

Sediment 0.166 3.24e+003 0

Persistence Time: 422 hr

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